&magicnumber=25&category1=Ecology&category2=Chains, Webs, and Pyramids&category3=Populations&category4=Cycling Elements&category5=Communty Interactions&question1=What is the branch of biology dealing with interactions between organisms and their environment?&question2=The non-living parts of an ecosystem are called&question3=What level of ecology that includes biotic and abiotic factors is called&question4=What is the combined portions of the Earth where living things exist?&question5=An organism's role in it's environment; how it interacts with other organisms and how it uses resources is called its&question6=What is the algae at the beginning of a food chain?&question7=All the interconnected feeding relationships in an ecosystem make up a food&question8=How much energy is transfered to each level in an energy pyramid?&question9=What are organisms that obtain nutrients by breaking down dead and dacaying plants and animals?&question10=Which type of ecological pyramid shows how much living tissue is at each level?&question11=The number of organisms an ecosystem can support is called&question12=What can cause a population to grow?&question13=Factors that can decrease the growth of a population are called&question14=What would happen to a predator population if the food source of the prey animals was eliminated?&question15=What can happen if the population grows larger than the carrying capacity of the environment?&question16=What is the origional source of almost all the energy in an ecosystem?&question17=What types of organisms do nitrogen fixation?&question18=Water can enter the atmosphere through evaporation and&question19=What form of carbon is found in the atmosphere?&question20=What is the process by which bacteria convert nitrogen gas in the air to ammonia?&question21=An interaction in which one organism captures and feeds on another is called&question22=Symbiosis in which both species benefit is called&question23=Symbiosis in which one species benefits and the other is harmed is called&question24=Symbiosis in which on species benefits and the other is neither harmed nor helped is called&question25=Primary consumers are always______________&answer1=ecology&answer2=abiotic&answer3=ecosystem&answer4=biosphere&answer5=niche&answer6=producer&answer7=web&answer8=10%25&answer9=decomposers&answer10=biomass pyramid&answer11=carrying capacity&answer12=a birth rate higher than the death rate&answer13=limiting factors&answer14=decrease in number&answer15=they can start to die&answer16=the sun&answer17=bacteria&answer18=transpiration&answer19=carbon dioxide&answer20=nitrogen fixation&answer21=predation&answer22=mutualism&answer23=parasitism&answer24=commensalism&answer25=herbivores&value1=10&value2=20&value3=30&value4=40&value5=50&value6=10&value7=20&value8=30&value9=40&value10=50&value11=10&value12=20&value13=30&value14=40&value15=50&value16=10&value17=20&value18=30&value19=40&value20=50&value21=10&value22=20&value23=30&value24=40&value25=50&finalquestion=What is the difference between primary and secondary succession?&finalanswer=Primary succession begins on newly exposed rock and secondary succession begins on soil&gamename=Game #&postthis=&loadresult=Load Success!